/* The MIT License
 * 
 * Copyright (c) 2017 John Schember <john@nachtimwald.com>
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE
 */

#ifndef __CPTHREAD_H__
#define __CPTHREAD_H__

#ifdef _WIN32
# include <stdbool.h>
# include <windows.h>
#else
# include <pthread.h>
#endif

/* - - - - */

#ifdef _WIN32
typedef CRITICAL_SECTION pthread_mutex_t;
typedef void pthread_mutexattr_t;
typedef void pthread_condattr_t;
typedef void pthread_rwlockattr_t;
typedef HANDLE pthread_t;
typedef CONDITION_VARIABLE pthread_cond_t;

typedef struct {
    SRWLock lock;
    bool    exclusive;
} pthread_rwlock_t;

struct timespec {
    long tv_sec;
    long tv_nsec;
};
#endif

/* - - - - */

#ifdef _WIN32
int pthread_create(pthread_t *thread, pthread_attr_t *attr, void *(*start_routine)(void *), void *arg);
int pthread_join(pthread_t thread, void **value_ptr);
int pthread_detach(pthread_t);

int pthread_mutex_init(pthread_mutex_t *mutex, pthread_mutexattr_t *attr);
int pthread_mutex_destroy(pthread_mutex_t *mutex);
int pthread_mutex_lock(pthread_mutex_t *mutex);
int pthread_mutex_unlock(pthread_mutex_t *mutex);

int pthread_cond_init(thread_cond_t *cond, pthread_condattr_t *attr);
int pthread_cond_destroy(thread_cond_t *cond);
int pthread_cond_wait(thread_cond_t *cond, pthread_mutex_t *mutex);
int pthread_cond_timedwait(thread_cond_t *cond, pthread_mutex_t *mutex, const struct timespec *abstime);
int pthread_cond_signal(thread_cond_t *cond);
int pthread_cond_broadcast(thread_cond_t *cond);

int pthread_rwlock_init(pthread_rwlock_t *rwlock, const pthread_rwlockattr_t *attr);
int pthread_rwlock_destroy(pthread_rwlock_t *rwlock);
int pthread_rwlock_rdlock(pthread_rwlock_t *rwlock);
int pthread_rwlock_tryrdlock(pthread_rwlock_t *rwlock);
int pthread_rwlock_wrlock(pthread_rwlock_t *rwlock);
int pthread_rwlock_trywrlock(pthread_rwlock_t  *rwlock);
int pthread_rwlock_unlock(pthread_rwlock_t *rwlock);
#endif

unsigned int cpthread_get_num_procs();

void cpthread_ms_to_timespec(struct timespec *ts, unsigned int ms);

#endif /* __CPTHREAD_H__ */
